Our High Energy Parallel Windows are coated with high efficiency, high damage threshold V-coating to maximize transmission at 266nm, 355nm, 532nm, and 1064 nm. Manufactured with Excimer Grade UV Fused Silica, these windows have excellent thermal stability, low wavefront distortion, and ultra-low auto-fluorescence, making them the ideal choice for most Nd:YAG laser systems. These windows are available in 12.5mm, 25.0 mm, and 50.0 mm diamter for easy mounting.